Oracle : Ошибка ORA-38772

38772, 0000, "cannot add datafile '%s' - file could not be created"
*Cause: The recovery step of FLASHBACK DATABASE encountered the
creation of a datafile and could not recreate the file.
The error from the creation attempt is displayed in another message.
The control file file entry for the file is 'UNNAMEDnnnnn'.
*Action: Use the ALTER DATABASE CREATE DATAFILE statement to create the

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